Ionia Weather Forecast
- 32
- 55
Rain Showers Likely
- 32
- 41
Rain Likely
- 24
- 34
Chance Snow Showers
- 29
- 35
Mostly Cloudy
- 32
- 40
Mostly Cloudy
- 21
- 37
Chance Rain/Snow
Today 9 Jan Ontario
Mostly cloudy with Showers likely in the Morning, then partly sunny with a chance of Showers in the afternoon. Very windy and mild with Highs Ranging from the upper 40s on the Hilltops to the mid 50s across the lower Elevations. South Winds 25 to 35 Mph with Gusts up to 45 Mph, Diminishing to 20 to 30 Mph. Chance of rain 70 percent.
Tonight 9 Jan Ontario
Cloudy and very windy. Near steady Temperatures in the mid 40s. South Winds 20 to 30 Mph, increasing to 25 to 35 Mph.
Ionia Temperature Statistics
January Temperature
Rochester, Greater Rochester International Airport (15.5 miles)
Lowest 1 January, 2026
9 °FAverage January
23.8 °FHighest 6 January, 2026
39 °F
Climate (2021–Present)
Rochester, Greater Rochester International Airport (15.5 miles)
Average Low 2021–2026
42.4 °FAverage 2021–2026
50.8 °FAverage High 2021–2026
59.5 °F